Alfred Chapman, British chemist, c 1910-1932.

Photogravure by Emery Walker Ltd after a photograph by Lafayette Ltd. Alfred Chapman (1869-1932) was Water Treatment Consultant at St Albans, president of the Institute of Brewing from 1911 to 1913, president of the Royal Microscopical Society from 1924 to 1926, and Analytical & Consulting Chemist specialising in brewing from 1888 until his death in 1932.